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(11)

EP 4 264 026 A1

(12)

(43) Date of publication: 25.10.2023 Bulletin 2023/43 (21) Application number: 21907890.4 (22) Date of filing: 17.12.2021

(51) International Patent Classification (IPC):  F01N 3/20(2006.01) F01N 11/00(2006.01) F01N 3/035(2006.01) F01N 9/00(2006.01) F01N 3/10(2006.01) (52) Cooperative Patent Classification (CPC): F01N 3/2066; F01N 3/208; F01N 3/021; F01N 9/005; F01N 11/005; F01N 2900/0406; F01N 2610/02; F01N 2560/026; F01N 13/0093 (86) International application number: PCT/US2021/064023 (87) International publication number: WO 2022/133206 (23.06.2022 Gazette 2022/25)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 18.12.2020 US 202063199307 P (71) Applicant: Cummins Inc. Columbus, IN 47201 (US)

(72) Inventors: HAAS, Michael Columbus, Indiana 47203 (US) KIDD, Adam, W. Indianapolis, Indiana 46259 (US) PENG, Oxford Columbus, Indiana 47201 (US) RAHMAN, Shahidur, M. Columbus, Indiana 47201 (US) VEMURI, Ananth Columbus, Indiana 47203 (US) TRICAUD, Christophe Columbus, Indiana 47203 (US) YARRABIKKI, Easwar Columbus, Indiana 47201 (US) (74) Representative: CSY Herts  Helios Court 1 Bishop Square Hatfield, Hertfordshire AL10 9NE Hatfield, Hertfordshire AL10 9NE (GB)